Circular wing aircraft



FIG. 1 is a top plan view of a circular wing aircraft showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a sectional view thereof taken along line 3--3 of FIG. 1;

FIG. 4 is a sectional view thereof taken along line 4--4 of FIG. 1;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof; and

FIG. 7 is a rear elevational view thereof. 

The ornamental design for a circular wing aircraft, as shown. 